public function generate_tickets( $order_id ) {

		/**
		 * Hook before WooCommerce Tickets are generated in Event Tickets Plus.
		 *
		 * @since 4.10.4
		 *
		 * @param int $order_id The order ID.
		 */
		do_action( 'tribe_tickets_plus_woo_before_generate_tickets', $order_id );

		// Bail if we already generated the info for this order
		$done = get_post_meta( $order_id, $this->order_has_tickets, true );

		if ( ! empty( $done ) ) {
			return;
		}

		$has_tickets = false;
		// Get the items purchased in this order

		$order_items = edd_get_payment_meta_cart_details( $order_id );

		// Bail if the order is empty
		if ( empty( $order_items ) ) {
			return;
		}

		// Iterate over each product
		foreach ( (array) $order_items as $item ) {
			$has_tickets |= (bool) $this->generate_attendees_for_order_entry( $order_id, $item );
		}

		if ( $has_tickets ) {
			update_post_meta( $order_id, $this->order_has_tickets, '1' );

			// Send the email to the user
			do_action( 'eddtickets-send-tickets-email', $order_id );
		}
	}